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Southern
Date TimeNO2O3SO2COPM10PM2.5
2023-12-08 07:0027.295.94.8546.428.713.3
2023-12-08 06:0022.493.74.2561.627.211.7
2023-12-08 05:0017.995.43.7540.022.311.3
2023-12-08 04:0017.996.63.8537.822.49.6
2023-12-08 03:0018.198.73.7544.621.29.3
2023-12-08 02:0013.8109.13.5517.818.69.3
2023-12-08 01:0012.9104.83.5503.517.98.5
2023-12-08 00:0012.0107.73.6508.417.48.7
2023-12-07 23:0014.6110.23.5514.819.210.9
2023-12-07 22:0021.093.73.1528.320.611.7
2023-12-07 21:0016.9105.33.5498.418.88.1
2023-12-07 20:0022.7101.43.5492.517.88.7
2023-12-07 19:0016.5101.83.0462.418.57.2
2023-12-07 18:0034.2100.23.2493.519.66.9
2023-12-07 17:0030.5109.93.6473.723.28.4
2023-12-07 16:0040.295.83.8469.626.28.9
2023-12-07 15:0038.395.03.4453.322.910.3
2023-12-07 14:0025.5104.53.1461.820.47.8
2023-12-07 13:0036.091.34.6505.224.47.2
2023-12-07 12:0040.381.64.4522.728.07.4
2023-12-07 11:0053.063.05.1585.124.27.4
2023-12-07 10:0055.755.25.1598.816.55.8
2023-12-07 09:0047.358.35.0586.816.29.0
2023-12-07 08:0037.765.64.9564.517.29.9
Remarks:

(1) Time shown is in Hong Kong time.

(2) NO2 - nitrogen dioxide, O3 - ozone,
     SO2 - sulphur dioxide, CO - carbon monoxide,
     PM10 - respirable suspended particulates,
     PM2.5 - fine suspended particulates

(3) Concentration shown is in µg/m3.

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

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Last revision date: 07:07 08-12-2023